PIbd-21_Potapov_N.S._Securi.../SecuritySystem/SecuritySystemDatabaseImplement/Implements/ImplementerStorage.cs

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using Microsoft.IdentityModel.Tokens;
using SecuritySystemContracts.BindingModels;
using SecuritySystemContracts.SearchModels;
using SecuritySystemContracts.StoragesContracts;
using SecuritySystemContracts.ViewModels;
using SecuritySystemDatabaseImplement.Models;
namespace SecuritySystemDatabaseImplement.Implements
{
public class ImplementerStorage : IImplementerStorage
{
public ImplementerViewModel? Delete(ImplementerBindingModel model)
{
using var context = new SecuritySystemDatabase();
var element = context.Implementers.FirstOrDefault(rec => rec.Id == model.Id);
if (element != null)
{
context.Implementers.Remove(element);
context.SaveChanges();
return element.GetViewModel;
}
return null;
}
public ImplementerViewModel? GetElement(ImplementerSearchModel model)
{
return GetFilteredList(model).FirstOrDefault();
}
public List<ImplementerViewModel> GetFilteredList(ImplementerSearchModel model)
{
var implementers = GetFullList();
if (model.Id.HasValue)
{
implementers = implementers.Where(x => x.Id == model.Id.Value).ToList();
}
if (!model.Password.IsNullOrEmpty())
{
implementers = implementers.Where(x => x.Password == model.Password).ToList();
}
if (!model.ImplementerFIO.IsNullOrEmpty())
{
implementers = implementers.Where(x => x.ImplementerFIO == model.ImplementerFIO).ToList();
}
return implementers;
}
public List<ImplementerViewModel> GetFullList()
{
using var context = new SecuritySystemDatabase();
return context.Implementers.Select(x => x.GetViewModel).ToList();
}
public ImplementerViewModel? Insert(ImplementerBindingModel model)
{
var newImplementer = Implementer.Create(model);
if (newImplementer == null)
{
return null;
}
using var context = new SecuritySystemDatabase();
context.Implementers.Add(newImplementer);
context.SaveChanges();
return newImplementer.GetViewModel;
}
public ImplementerViewModel? Update(ImplementerBindingModel model)
{
using var context = new SecuritySystemDatabase();
var client = context.Implementers.FirstOrDefault(x => x.Id == model.Id);
if (client == null)
{
return null;
}
client.Update(model);
context.SaveChanges();
return client.GetViewModel;
}
}
}